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Q. There are two mixtures of milk and water, the quantity of milk in them being 20% and 80% of the mixture. If 2 liters of the first are mixed with three liters of the second, what will be the ratio of milk to water in the new mixture?

Q. दूध और पानी के दो मिश्रण हैं, उनमें दूध की मात्रा मिश्रण का 20% और 80% है।यदि पहले मिश्रण के 2 लीटर को दूसरे मिश्रण के तीन लीटर के साथ मिलाया जाता है,तो नए मिश्रण में दूध और पानी का अनुपात क्या होगा?

A

1:11
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B

7:11
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C

12:11
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D

14:11
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Solution

The correct option is D
14:11
The percentage of milk in the new mixture would be :
(2×20)+(3×80)5=2805=56%
Thus, the ratio of milk: water in the new mixture =56:44=14:11

नए मिश्रण में दूध का प्रतिशत होगा
(2×20)+(3×80)5=2805=56%
इस प्रकार, नए मिश्रण में दूध और जल का अनुपात =56:44=14:11

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